The HbS allele has been maintained in certain populations in Africa, India, and the Mediterranean because heterozygous individuals with this allele are less susceptible to malaria.
Answer the following statement true (T) or false (F)
True
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Which of the following structures is smallest?
a. gene b. codon c. organelle d. cell
Central place theory is difficult to apply to actual geographic regions because __________
A. natural resources are usually widely available B. central places may be located outside these regions C. natural resources and topography are rarely uniform D. the size of sites with similar functions is always the same
Humans can adapt to their surroundings through both biological and cultural means
Indicate whether the statement is true or false.
If a marriage in which bridewealth has been paid is dissolved, the money must be returned to the bride's family
a. True b. False Indicate whether the statement is true or false